First US 2nd Infantry Regiment[edit]

Constituted 3 March 1791 in the Regular Army as the 2d Infantry

Organized in March 1791 in New England

Redesignated in 1792 as the Infantry of the US 2nd Sub-Legion

Redesignated 31 October 1796 as the US 2nd Infantry Regiment.

Consolidated May-October 1815 with the US 3rd Infantry Regiment and US 7th Infantry Regiment (both constituted 12 April 1808) and the US 44th Infantry Regiment (constituted 29 January 1813) to form the Second US 1st Infantry Regiment, which see:

Second US 2nd Infantry Regiment[edit]

First US 6th Infantry Regiment Consolidated May-October 1815 with the US 16th Infantry Regiment (constituted 11 January 1812), the US 22nd Infantry Regimentand US 23d Infantry Regiment (both constituted 26 June 1812), and the US 32d Infantry Regiment (constituted 29 January 1813) to form the 2d Infantry

Consolidated 18 April 1869 with the 16th Infantry (see ANNEX) and consolidated unit designated as the 2d Infantry

Assigned 27 July 1918 to the 19th Division

Relieved 14 February 1919 from assignment to the 19th Division

Assigned 24 March 1923 to the 6th Division

Relieved 16 October 1939 from assignment to the 6th Division and assigned to the 5th Division (later redesignated as the 5th Infantry Division)

Inactivated 20 September 1946 at Camp Campbell, Kentucky

Activated 15 July 1947 at Fort Jackson, South Carolina

Inactivated 30 April 1950 at Fort Jackson, South Carolina

Activated 1 March 1951 at Indiantown Gap Military Reservation, Pennsylvania

Inactivated 1 September 1953 at Indiantown Gap Military Reservation, Pennsylvania

Activated 25 May 1954 in Germany

Relieved 1 June 1957 from assignment to the 5th Infantry Division and reorganized as a parent regiment under the Combat Arms Regimental System

Withdrawn 16 June 1986 from the Combat Arms Regimental System and reorganized under the United States Army Regimental System